BoilerFaultCodesYour boiler is failing to light the gas even though it is trying to start up.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Ignition: ignition is activated for 2.4 seconds while the gas valve is opened.
What causes this fault?
This fault occurs when the boiler attempts to start its combustion process but fails to detect a flame within the required safety window. It is typically caused by a worn-out ignition spark failing to light the gas or a dirty sensor failing to confirm that the flame is actually present. In some cases, the gas valve may not be opening correctly to allow fuel into the burner.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
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A boiler cover plan would cover faults like 2 — no call-out fees, no surprises.
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